Deny Susanti completed her Bachelor of Pharmacy with honours from the University of Andalas in 1997 by completing his final year project titled “Isolation of alkaloids form Ophiorrhiza species” which was supervised by Prof. Dr. Dayar Arbain. From this final project, her interest in research was growth. She pursued her professional pharmacy program at the same university, and obtained a professional pharmacy certificate (Apothecary) in 1998. She continued her Master's study at the University Teknologi Malaysia to obtain a Master of Science degree in organic chemistry in 2000 with the project titled “Phytochemical and Bioactivity Studies of Three Rubiaceous Plants”. She obtained a PhD degree in 2006 at the Chemistry Department, Faculty of Science at Universiti Teknologi Malaysia, with the title of "Phytochemical and Bioactivity Studies of Melastoma malabathricum and M. imbricatum". The completion of this project led to her expertise in chromatographic separation and spectroscopic elucidation of natural product compounds using ultraviolet, infrared, nuclear magnetic resonance, and mass spectroscopic techniques. She joined the International Islamic University Malaysia (IIUM) as an Assistant Professor at the Department of Chemistry, Kulliyyah of Science, Kuantan, Malaysia in 2007. She is involved in teaching undergraduates and supervising postgraduate students.